During create the following may be usueful:
SDVFX001
User exit header line in delivery to accounting
SDVFX002
User exit for A/R line in transfer to accounting
SDVFX003
User exit cash clearing in transfer to accounting
SDVFX004
User exit G/L line in transfer to accounting
SDVFX005
User exit reserves in transfer to accounting
SDVFX006
User exit tax line in transfer to accounting
SDVFX007
User exit: Billing plan during transfer to Accounting
SDVFX008
User exit: Processing of transfer structures SD-FI
SDVFX009
Billing doc. processing KIDONO (payment reference number)
SDVFX010
User exit item table for the customer lines
SDVFX011
Userexit for the komkcv- and kompcv-structures
V05I0001
User exits for billing index
V05N0001
User Exits for Printing Billing Docs. using POR Procedure
V60A0001
Customer functions in the billing document
V60P0001
Data provision for additional fields for display in lists
V61A0001
Customer enhancement: Pricing
J_3RSINV
